Python Programming/

total = 0 grade_counter = 0 grade = input("Enter your grade(type -1 to stop) : ")

while grade != -1:

   grade = input("Enter next grade(type -1 to stop) : ")
   total = total + grade
   grade_counter += 1

   class_average = float(total)/grade_counter
   print "The aberage are ", class_average, "from", grade_counter, "input"
   

else:

   print "\nNo grade"